ConstantValue Class

A constant value operand in Criteria Language expressions.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.XamarinForms.Core.dll

Declaration

[Serializable]
public class ConstantValue :
    OperandValue

Related API Members

The following members return ConstantValue objects:

• ConstantValue.Clone()

Remarks

Criteria language processor automatically passes value operands (OperandValue objects) to resulting queries as default parameters when processing criteria expressions. Replace OperandValue with ConstantValue to embed in-line parameters into queries. This change improves performance when a data processor executes several queries that match values with constants passed as parameters.

Inheritance

Object

CriteriaOperator

OperandValue

ConstantValue